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using System.Reflection;
using System.Text.Json;
namespace MatrixRoomUtils.Core.Extensions;
public static class HttpClientExtensions {
public static async Task<bool> CheckSuccessStatus(this HttpClient hc, string url) {
//cors causes failure, try to catch
try {
var resp = await hc.GetAsync(url);
return resp.IsSuccessStatusCode;
}
catch (Exception e) {
Console.WriteLine($"Failed to check success status: {e.Message}");
return false;
}
}
}
public class MatrixHttpClient : HttpClient {
public override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken) {
try
{
HttpRequestOptionsKey<bool> WebAssemblyEnableStreamingResponseKey = new HttpRequestOptionsKey<bool>("WebAssemblyEnableStreamingResponse");
request.Options.Set(WebAssemblyEnableStreamingResponseKey, true);
// var asm = Assembly.Load("Microsoft.AspNetCore.Components.WebAssembly");
// var browserHttpHandlerType = asm.GetType("Microsoft.AspNetCore.Components.WebAssembly.Http.WebAssemblyHttpRequestMessageExtensions", true);
// var browserHttpHandlerMethod = browserHttpHandlerType.GetMethod("SetBrowserResponseStreamingEnabled", BindingFlags.Public | BindingFlags.Static);
// browserHttpHandlerMethod?.Invoke(null, new object[] {request, true});
}
catch (Exception e)
{
Console.WriteLine("Failed to set browser response streaming:");
Console.WriteLine(e);
}
var a = await base.SendAsync(request, cancellationToken);
if (!a.IsSuccessStatusCode) {
Console.WriteLine($"Failed to send request: {a.StatusCode}");
var content = await a.Content.ReadAsStringAsync(cancellationToken);
if (content.StartsWith('{')) {
var ex = JsonSerializer.Deserialize<MatrixException>(content);
if (ex?.RetryAfterMs is not null) {
await Task.Delay(ex.RetryAfterMs.Value, cancellationToken);
typeof(HttpRequestMessage).GetField("_sendStatus", BindingFlags.NonPublic | BindingFlags.Instance)?.SetValue(request, 0);
return await SendAsync(request, cancellationToken);
}
throw ex!;
}
throw new InvalidDataException("Encountered invalid data:\n" + content);
}
return a;
}
}
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